Total Quality Management - TQM

Definition of " Standard Deviation Formula of standard deviation How to find standard deviation in Excel ? Standard Deviation : It is Average Deviation of process output from their average      Standard deviation is denoted by σ, s, sigma Standard deviation formula ** formula to find standard deviation in google doc and MS Excel ( if process  output data are in cell B4 to b13 of excell sheet )                                      =stdev(B4:B13)        Example: we have below process output, find standard deviation 0.12, 0.14, 0.16, 0.18, 0.20 Solution                                    Xi Xi - x̄ ( Xi - x̄)2 0.12 -0.04 0.0016 0.14 -0.02 0.0004 0.16 0.00 0 0.18 0.02 0.0004 0.20 0.04 0.0016 X̄ = 0.16 =   0.004                           = 0.004                                Let us understand standard deviation formula by easy

( Ques) : What is your definition of Quality ?            Define Quality             What is ISO definition of Quality ? (Ans) * Quality - गुणवत्ता। - ગુણવત્તા * Quality means satisfying customer requirements * In fig 3, All customer requirements are satisfied means customers are satisfied In Fig 1. Customers requirements are not fulfilled In fig 2, Some customer requirements are satisfied means not fully satisfied customer * Quality means superior than competitors * Q = P / E   Where P = Performance                                         E = Expectation                                         Q.> 1 Means customers are satisfied * Quality is measure of excellence * Quality means free from defect , Uniformity, consistency and Timely delivery * ISO Definition :